Mercurial > touhou
comparison pytouhou/ui/background.pyx @ 223:98c64ffcbdff
Make pytouhou.ui.{background,texture} Cython modules as they are only used by Cython modules.
| author | Thibaut Girka <thib@sitedethib.com> |
|---|---|
| date | Sun, 18 Dec 2011 21:23:51 +0100 |
| parents | pytouhou/ui/background.py@ee6dfd14a785 |
| children | c5ba11ede097 |
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| 222:5cac48b328ad | 223:98c64ffcbdff |
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| 1 # -*- encoding: utf-8 -*- | |
| 2 ## | |
| 3 ## Copyright (C) 2011 Thibaut Girka <thib@sitedethib.com> | |
| 4 ## | |
| 5 ## This program is free software; you can redistribute it and/or modify | |
| 6 ## it under the terms of the GNU General Public License as published | |
| 7 ## by the Free Software Foundation; version 3 only. | |
| 8 ## | |
| 9 ## This program is distributed in the hope that it will be useful, | |
| 10 ## but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 ## GNU General Public License for more details. | |
| 13 ## | |
| 14 | |
| 15 #TODO: lots of things | |
| 16 | |
| 17 from struct import pack | |
| 18 from itertools import chain | |
| 19 | |
| 20 from .sprite cimport get_sprite_rendering_data | |
| 21 | |
| 22 cpdef object get_background_rendering_data(object background): | |
| 23 cdef float x, y, z, ox, oy, oz, ox2, oy2, oz2 | |
| 24 cdef list vertices, uvs, colors | |
| 25 | |
| 26 #TODO: do not cache the results, and use view frustum culling | |
| 27 try: | |
| 28 return background._rendering_data | |
| 29 except AttributeError: | |
| 30 pass | |
| 31 | |
| 32 vertices = [] | |
| 33 uvs = [] | |
| 34 colors = [] | |
| 35 | |
| 36 for ox, oy, oz, model_id, model in background.object_instances: | |
| 37 for ox2, oy2, oz2, width_override, height_override, sprite in model: | |
| 38 #TODO: view frustum culling | |
| 39 key, (vertices2, uvs2, colors2) = get_sprite_rendering_data(sprite) | |
| 40 vertices.extend([(x + ox + ox2, y + oy + oy2, z + oz + oz2) | |
| 41 for x, y, z in vertices2]) | |
| 42 uvs.extend(uvs2) | |
| 43 colors.extend(colors2) | |
| 44 | |
| 45 nb_vertices = len(vertices) | |
| 46 vertices_s = pack(str(3 * nb_vertices) + 'f', *chain(*vertices)) | |
| 47 uvs_s = pack(str(2 * nb_vertices) + 'f', *uvs) | |
| 48 colors_s = pack(str(4 * nb_vertices) + 'B', *colors) | |
| 49 | |
| 50 background._rendering_data = [(key, (nb_vertices, vertices_s, uvs_s, colors_s))] | |
| 51 | |
| 52 return background._rendering_data | |
| 53 |